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BOMBING'S MY BUSINESS .. and business is GOOD

A4sForever

BTDT OLD GUY
pilot
Contributor
Rockets used to be an X in advanced in the TA-4J. They quit doing it about a year or so before I went through.... (EA-6B) ..If you can fire off any other store, you can probably fire off a pod of rockets.

What year what that ???

If the Queer A-6 has a MA switch and a "trigger" ... it can fire rockets. :)
 

Harrier Dude

Living the dream
What year what that ???

If the Queer A-6 has a MA switch and a "trigger" ... it can fire rockets. :)

I went thorugh advanced in 1996. Our pubs still talked about the rocket sorties, but our IPs just said "Don't bother studying that. We don't do it anymore" during our weps lecture.

I read an Approach article around that time period where a stud had an "inadvertant" rocket launch on the strafe target.

As far as the EA-6B and rockets go, I'm fairly certain that it would work, but I doubt that there is any ballistic delivery data around to do it with. Nor any reason for them to do it. In the Harrier, we don't use the trigger for rockets. Just the same old pickle button that drops bombs (and fires Mavericks for that matter). The trigger is for the gun and AIM-9s only.

My point being that, as far as rockets go, a jet is either wired for ordnance, or it isn't. There's nothing magic about the rocket pod.

JDAM, on the other hand, required specific wiring on the pylon and in the jet to work. Probably the same for HARM and AMRAAM, but I don't know.
 

AllAmerican75

FUBIJAR
None
Contributor
Thanks, A4s. My interest in the TER loading stems from the fact that I worked as a draftsman for the company (Standard Mfg) that built the bomb loader that could load MERs and TERs. I did most of the drafting on the hydraulics in the articulated head and spent some quality time testing the thing at LTV/NAS Dallas in the very early 60's. Man, I would have loved to have had some AutoCAD stuff back then.

I'm always amazed at what you Old Timers accomplished with just a slide rule and a drafting pencil. I thank my lucky stars that I have AutoCAD and MathCAD. :D
 

A4sForever

BTDT OLD GUY
pilot
Contributor
I went thorugh advanced in 1996.....
As far as the EA-6B and rockets go, I'm fairly certain that it would work, but I doubt that there is any ballistic delivery data around to do it ...

1996!!! That's when I checked out on the Whale as a CAPTAIN!!! You're just a KID !!!

Try 60-65 MILs @ 45 degree dive, 450 KIAS. It used to work ... unless I've gone senile... here's an ironsight to practice on ... :)

dsc02010dz6.jpg
 

AllAmerican75

FUBIJAR
None
Contributor
1996!!! That's when I checked out on the Whale as a CAPTAIN!!! You're just a KID !!!

Try 60-65 MILs @ 45 degree dive, 450 KIAS. It used to work ... unless I've gone senile... here's an ironsight to practice on ... :)

dsc02010dz6.jpg

Is that a HUD in the picture or is it an electronic sight? I've always wondered.
 

nittany03

Recovering NFO. Herder of Programmers.
pilot
None
Super Moderator
Contributor
My point being that, as far as rockets go, a jet is either wired for ordnance, or it isn't. There's nothing magic about the rocket pod.
Not to geek out or anything (too late), but wouldn't one need to differentiate between the firing pulse for the rockets and the one to jettison the store itself? Might be an interesting question to ask an ordie, if I was interested in looking like a doofus . . . :icon_tong
 

Harrier Dude

Living the dream
Not to geek out or anything (too late), but wouldn't one need to differentiate between the firing pulse for the rockets and the one to jettison the store itself? Might be an interesting question to ask an ordie, if I was interested in looking like a doofus . . . :icon_tong

Like I said before, I'm just guessing about this, but it's a fairly educated guess. There has to be some kind of discrete pulse that fires the HARM vice jettisoning off the rack/rail, right?

I know crap about the Prowler ordnance system, but the rocket technology is pretty old. The pylons on your jet are probably pretty similar to the A-6E, as is the weapons wiring for the wing.

I honestly don't know.

The place to find out would be with an ordie/avi dude that has some A-6 experience. Probably some chief or MSgt. There's got to be a few left around. I know that I've run into some in my community, so surely they're in yours, too.

Maybe it's even been tried before, but I doubt it.

With all of the crazy stuff that we've all been hanging off jets that nobody ever thought we would (Litening pods on P-3s, Prowlers, etc), it isn't too stupid of a question.
 

Catmando

Keep your knots up.
pilot
Super Moderator
Contributor
Is that a HUD in the picture or is it an electronic sight? I've always wondered.
Hey, A4s…ever feel like a dinosaur? I know I sometimes do.

When I finally transitioned to an aircraft with a HUD, (which I could barely spell at the time) I found it mostly distracting (except for the radar slaved HUD bogie diamond, which made my 20-15 eyes on a good day – and too often augmented by my sharper-eyed ROs - to about 20-5s or even better :D). However, HUD "de-clutter" was my favorite switch position.

I truly missed the days of old iron gun sights, figuring out mils, and messy grease pencil marks on the canopy…. Which nevertheless granted me some very respectable CEP's and some serious HE iron on target. :)

Back in the day, if somebody mentioned HUD, they only meant this……

hudnl9.jpg
 

HeyJoe

Fly Navy! ...or USMC
None
Super Moderator
Contributor
Not to geek out or anything (too late), but wouldn't one need to differentiate between the firing pulse for the rockets and the one to jettison the store itself? Might be an interesting question to ask an ordie, if I was interested in looking like a doofus . . . :icon_tong

Adding rocket pod capability is straightforward on older generation aircraft (Tomcat did so in mid nineties with a $5 part from Radio Shack). The newer generation "1553" bus aircraft like the Hornet series need a bit more work on software side as aircraft literally "talks" to the store over the MIL-STD 1760 signal set wiring that has to be present on the pylon.

When Harrier II Plus adding APG-65 radar available from Hornets upgrading to APG-73, they initially thought they could hang AMRAAM on the aircraft. They could hang AMRAAM, but nothing was going to happen until they had the appropriate wiring for the digital communications to take place (same was true for F/A-18A until they became F/A-18+).

The next step in simplicity is the Sidewinder that uses a 28 pin (analog) plug that attaches to the umbillical on the LAU-7 (older generation aircraft that is; newer aircraft can use the LAU-12X series developed to carry AMRAAM and Sidewinder). On the those connector/plugs, there is a discrete signal on a specific pin that ignites the rocket motor. AMRAAM is much more complex (as is AIM-9X) and requires a mid body digital connector (LAU-12X series) so missile and aircraft can exchange data (BIT status, IMU alignment, type weapon carried, etc.). The F/A-18C/D required a Modified LAU-7 to change the forward connector on the LAU-7 to a digital plug to handle all the requisite data coming to and from the missile as well as running 1760 wiring an additional 3 feet from the outer pylons to the wingtips.

Back to Nittany's question....in that case, there is a discrete pulse to fire a single rocket or salvo or whatever the stores management system is set up to handle. To jettison a store, there is a separate "signal set" going to the parent rack to fire CADs to get rid of the store. It's a bit more complex as various aircraft are set up to jettison all stores or do it selectively via several options depending on the aircraft so in theory, you're correct, but exact answer depends on aircraft and store/pylon configuration (not to geek out or anything of course).
 

nittany03

Recovering NFO. Herder of Programmers.
pilot
None
Super Moderator
Contributor
With all of the crazy stuff that we've all been hanging off jets that nobody ever thought we would (Litening pods on P-3s, Prowlers, etc), it isn't too stupid of a question.
i suppose the more intelligent/cogent question might be "what are the different pulses sent to the store and how standard are they between ordnance types." The "can we fire rockets from this thing" is the part that I thought would be a little, umm . . . random.
 

A4sForever

BTDT OLD GUY
pilot
Contributor
Catmando said:
I truly missed the days of old iron gun sights, figuring out mils, and messy grease pencil marks on the canopy…. Which nevertheless granted me some very respectable CEP's and some serious HE iron on target. :)
You are right -- there's nothin' more satisfying than doin' "it" yourself and realizing you're at the top of your profession ... :)
Hey, A4s…ever feel like a dinosaur?...
Naaaaaa ... they're extinct. We'll never be "extinct" ... we're survivors, Bruddah !!!

Read it & weep, youngsters !!

oldguysky2.gif
 

BlkPny

Registered User
pilot
Its not "Low Level" unless you can see the guys you're shooting at. Extra credit for coming back with mud splatters on your a/c.
 

Harrier Dude

Living the dream
Hey, A4s…ever feel like a dinosaur? I know I sometimes do.

When I finally transitioned to an aircraft with a HUD, (which I could barely spell at the time) I found it mostly distracting (except for the radar slaved HUD bogie diamond, which made my 20-15 eyes on a good day – and too often augmented by my sharper-eyed ROs - to about 20-5s or even better :D). However, HUD "de-clutter" was my favorite switch position.
I truly missed the days of old iron gun sights, figuring out mils, and messy grease pencil marks on the canopy…. Which nevertheless granted me some very respectable CEP's and some serious HE iron on target. :)

Back in the day, if somebody mentioned HUD, they only meant this……

hudnl9.jpg


In the Harrier, there are 3 HUD levels. Norm, Reject 1, and Reject 2. There is less and less symbology as you go from Norm to Reject 2. All new Harrier pilots are taught in Norm, but a few "old guys" fly/flew in Reject 1.

I have never met anybody who flew in Reject 2. In fact, several RAG studs have called base with "broken HUDs" only to find out that reseting from Reject 2 to Norm "fixed the problem".

I once asked why there even was a Reject 2, and was told that the really old guys, i.e A-4 transition guys, hated the HUD with all of that pesky gouge on it. They wanted just the basics.

Now that theory has more validity.:D
 

Catmando

Keep your knots up.
pilot
Super Moderator
Contributor
Its not "Low Level" unless you can see the guys you're shooting at. Extra credit for coming back with mud splatters on your a/c.
Mud's good....... frag patterns, ah....... not so good. ;)

air010a14uj8.gif
 
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